ICU-3650 clean up tags

X-SVN-Rev: 15229

icu4j/src/com/ibm/icu/lang/UCharacterEnums.java

@@ -13,6 +13,9 @@ package com.ibm.icu.lang;
  */
 public class UCharacterEnums {
 
+    /** This is just a namespace, it is not instantiatable. */
+    private UCharacterEnums() {};
+
     /**
      * 'Enum' for the CharacterCategory constants.  These constants are 
      * compatible in name <b>but not in value</b> with those defined in

icu4j/src/com/ibm/icu/text/MeasureFormat.java

@@ -25,6 +25,9 @@ import com.ibm.icu.util.ULocale;
  */
 public abstract class MeasureFormat extends UFormat {
 
+    // javadoc bug in identifying synthetic constructors, avoid checktags warning
+    private MeasureFormat() {};
+    
     /**
      * Return a formatter for CurrencyAmount objects in the given
      * locale.

icu4j/src/com/ibm/icu/util/MeasureUnit.java

@@ -19,4 +19,6 @@ package com.ibm.icu.util;
  * @draft ICU 3.0
  */
 public abstract class MeasureUnit {
+    // javadoc bug in identifying synthetic constructors, avoid checktags warning
+    private MeasureUnit() {};
 }